#ifndef EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66

#if defined(_MSC_VER) ||                                            \
    (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
     (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif

#include <stack>

#include "yaml-cpp/anchor.h"
#include "yaml-cpp/emitterstyle.h"
#include "yaml-cpp/eventhandler.h"

namespace YAML {
struct Mark;
} // namespace YAML

namespace YAML {
class Emitter;

class EmitFromEvents : public EventHandler {
public:
    EmitFromEvents(Emitter& emitter);

    void OnDocumentStart(const Mark& mark) override;
    void OnDocumentEnd() override;

    void OnNull(const Mark& mark, anchor_t anchor) override;
    void OnAlias(const Mark& mark, anchor_t anchor) override;
    void OnScalar(const Mark& mark, const std::string& tag, anchor_t anchor,
                  const std::string& value) override;

    void OnSequenceStart(const Mark& mark, const std::string& tag,
                         anchor_t anchor, EmitterStyle::value style) override;
    void OnSequenceEnd() override;

    void OnMapStart(const Mark& mark, const std::string& tag, anchor_t anchor,
                    EmitterStyle::value style) override;
    void OnMapEnd() override;

private:
    void BeginNode();
    void EmitProps(const std::string& tag, anchor_t anchor);

private:
    Emitter& m_emitter;

    struct State {
        enum value { WaitingForSequenceEntry, WaitingForKey, WaitingForValue };
    };
    std::stack<State::value> m_stateStack;
};
} // namespace YAML

#endif // EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
